Contents
- Weather in March
- Frequently asked questions
- Average temperature in March
- Average pressure in March
- Average wind speed in March
- Average humidity in March
- Average rainfall in March
- Average rainfall days in March
- Average snowfall in March
- Average snowfall days in March
- Average daylight in March
- Average sunshine in March
- Average sunshine days in March
- Average UV index in March
- Average cloud cover in March
- Average visibility in March
Weather in March
Temperature
Saint Clair's transition into March brings a rise in the average high-temperature, moving from a frosty 43°F (6.1°C) in February to a cool 55°F (12.8°C). Throughout March, the temperature tends to fall to a consistent average low of 37.9°F (3.3°C).Humidity
The average relative humidity in March is 76%.Rainfall
In March, the rain falls for 11.7 days. Throughout March, 1.65" (42mm) of precipitation is accumulated. Throughout the year, there are 126.7 rainfall days, and 20.63" (524mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. March is the last month it regularly snows. During 2.2 snowfall days, in March, Saint Clair aggregates 0.51" (13mm) of snow. In Saint Clair, during the entire year, snow falls for 19.3 days and aggregates up to 4.17" (106mm) of snow.Daylight
The average length of the day in March in Saint Clair is 11h and 59min.On the first day of the month, sunrise is at 6:34 am and sunset at 5:57 pm CST. On the last day of March, in Saint Clair, sunrise is at 6:49 am and sunset at 7:26 pm CDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from CDT to CST.
Sunshine
The average sunshine in March is 6.3h.UV index
The average daily maximum UV index in March in Saint Clair is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 4 in March translates into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. Minimize direct exposure to the Sun during midday when its radiation is at its peak. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Saint Clair in March?
What is the average humidity in March?
How much does it rain in March?
What is the last month it snows?
What is the average length of the day in March?
When are sunrise and sunset in March?
When does Daylight Saving Time (DST) start in March?
How long on average sun shines in March in Saint Clair?
How high is the UV index in March?
Average temperature in March
Saint Clair, MO
- Average high temperature in March: 55°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in March: 37.9°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in March
Saint Clair, MO
- Average pressure in March: 30.07"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in March
Saint Clair, MO
- Average wind speed in March: 8.2mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in March
Saint Clair, MO
- Average humidity in March: 76%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (72%).
Average rainfall in March
Saint Clair, MO
- Average rainfall in March: 1.65"
The wettest months (with the highest rainfall) are April and May (2.48").
The driest months (with the least rainfall) are January and February (0.98").
Average rainfall days in March
Saint Clair, MO
- Average rainfall days in March: 11.7 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in March
Saint Clair, MO
- Average snowfall in March: 0.51"
The month with the highest snowfall is February (1.57").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in March
Saint Clair, MO
- Average snowfall days in March: 2.2 days
The month with the highest number of snowfall days is January (6.2 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in March /
Average sunshine in March
Saint Clair, MO
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in March: 6h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 42min).
Average sunshine days in March
Saint Clair, MO
- Average sunshine days in March: 16.1 days
The month with the most sunshine days is January (20.6 days).
The month with the least sunshine days is May (13.7 days).
Average UV index in March
Saint Clair, MO
- Average UV index in March: 4
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in March
Saint Clair, MO
- Average cloud cover in March: 48
The months with the most cloud cover are January and February (Cloud cover 49).
The months with the least cloud cover are June and July (Cloud cover 29).
Average visibility in March
Saint Clair, MO
- Average visibility in March: 6mi
The months with the highest visibility are January, February, March, April, June, July, October, November and December (6mi).
The months with the lowest visibility are May, August and September (5mi).
Saint Clair, Missouri, USA
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